quadklipsh Posted April 13, 2011 Share Posted April 13, 2011 hi all, iv traded my celestions for a tube amp for headfones . it gives around 2 watts of output . pretty sufficient for any pair of headfones , i guess. my headfones are fostex tp20 , 50 ohms. i wonder if id get the out put from the amp and play RF3s Quote Link to comment Share on other sites More sharing options...
Guest " " Posted April 13, 2011 Share Posted April 13, 2011 It depends on the impedance range of the tube amp and the impedance of the speakers. Quote Link to comment Share on other sites More sharing options...
quadklipsh Posted April 18, 2011 Author Share Posted April 18, 2011 the impedance range it offers through a selector at its front are 32ohms, 100ohms, 200 ohms. the amp yields 2 watts . but how can it be conncted to a reciever or an outboard amp. is this possible without blowing my speakers or should i ditch this idea . Quote Link to comment Share on other sites More sharing options...
Guest " " Posted April 18, 2011 Share Posted April 18, 2011 OK, now we are asking a different question. For the new question......there are black boxes that will match the impedance of an amp output so that if can be be connected to an amp input...BUT....quality ones use autofomrers.....cheap ones use a few resistors (10K across the input with a 600ohm in series with the input). This is a noisy arrangement and has no real benifet..... by the way...on your original question....I would not attempt to connect 4/8 ohm speakers on an amp which expects to see 32ohms. Quote Link to comment Share on other sites More sharing options...
quadklipsh Posted April 18, 2011 Author Share Posted April 18, 2011 thanks a bundle dude. thats a help. i wont try any further Quote Link to comment Share on other sites More sharing options...
russ69 Posted April 18, 2011 Share Posted April 18, 2011 When I was a kid, I did that for years. It's not a good match but it will work. I was like 13 years old, and it was better than nothing. Quote Link to comment Share on other sites More sharing options...
quadklipsh Posted April 18, 2011 Author Share Posted April 18, 2011 russ, did you blow any speakers doing that practice ? Quote Link to comment Share on other sites More sharing options...
whamo Posted April 18, 2011 Share Posted April 18, 2011 I don't think blowing the speakers would be an issue you'd wreck your amplifier first. Quote Link to comment Share on other sites More sharing options...
russ69 Posted April 18, 2011 Share Posted April 18, 2011 russ, did you blow any speakers doing that practice ? No. In fact I have never damaged any speakers. In my early years I would need to keep a lot of fuses on hand but I soon learned that you didn't need to listen at high levels and I haven't blow a fuse in the last 35 years. P.S. I agree with whamo, if you are not blowing up headphones I don't think you can hurts your speakers (within reason), it's the mismatch to the amp that will be an issue. Quote Link to comment Share on other sites More sharing options...
quadklipsh Posted April 19, 2011 Author Share Posted April 19, 2011 and I haven't blow a fuse wowowo does that mean a fuse can be installed somewhere in the speaker loop. ???i d sure love to know where ? coz i wana protect my speakers like any other . though havent blown any speakers too . i have blown a number of fuses to the powersupplies of dvd players while plugging em into the wall for 220 volts. all vintage gear that i own have direct coupling and no protection for the speakers . theres always a thudd when i switch off my marantz or quad or luxman. and being 98db sensitive, the thudd from the RF3s can be discomforting and feary. id like to know where can fuse be fitted in the loop outside the amplifier , for the speakers protection .[8-|] Quote Link to comment Share on other sites More sharing options...
russ69 Posted April 19, 2011 Share Posted April 19, 2011 does that mean a fuse can be installed somewhere in the speaker loop. Generally if a speaker really needs a fuse, the designers will put one in. If you want fuses for extra protection, you can easily put an inline fuse holder on one leg of the speaker cables. I'm not sure what value would be best maybe someone else could chime in or you can make a new post and ask. Quote Link to comment Share on other sites More sharing options...
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